Nicaraguans have more smiles on their faces: report
Norway can be frigid. And the winters bring lots of darkness. But it's the happiest nation in world, according to the 2017 World Happiness Report.
The developing world has its share of unhappy countries. According to the report, some of the unhappiest nations in the world are Afghanistan, Chad, the Democratic Republic of Congo and Haiti.
But there are encouraging signs in low- and middle-income countries. Cameroon, Latvia, Nicaragua and Sierra Leone, for example, are all on the list of the 20 countries reporting the highest gains in happiness.